Toluene-4-sulfonic acid (1R,3R,4R,5S)-3-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-4-hydroxy-2,6-dioxa-bicyclo[3.2.0]hept-1-ylmethyl ester

((3aS,6R,6aR)-6-(3-(4-methoxybenzyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4,4-diyl)bis(methylene) bis(4-methylbenzenesulfonate)

Toluene-4-sulfonic acid (1R,3R,4R,5S)-4-hydroxy-3-[3-(4-methoxy-benzyl)-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl]-2,6-dioxa-bicyclo[3.2.0]hept-1-ylmethyl ester